How far is Seattle, WA from Fern Prairie, WA?

The driving distance from Seattle, WA to Fern Prairie, WA is about 174.4 miles (280.7 km), with a travel time of about 03h 30m by car.

  • The straight-line flight distance is about 136.1 miles (219.1 km).
  • For a round trip, plan for roughly 07h 00m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
174.39 mi
03h 30m
Flight
136.13 mi
219.08 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Seattle.

Flight Distance

Direct air line
136.13 mi
Kilometers
219.08 km
Flight Time
00h 16m

Driving Distance

Road route
174.39 mi
Kilometers
280.65 km
Drive Time
03h 30m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 03h 30m.

Arrival Snapshot
Arrive in Fern Prairie
Thu, Oct 15, 2:57 PM PDT
Return by in Seattle
Thu, Oct 15, 6:27 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Seattle
2026-10-15T11:27
Arrive Fern Prairie
Thu, Oct 15, 2:57 PM PDT
Route Timing
03h 30m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
9:30 AM to 11:30 AM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:00 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Seattle
9:00 PM PDT
Early departure recommended

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Chehalis
WA

City in and county seat of Lewis County, Washington, United States

From Seattle
87.1 mi
01h 45m
To Fern Prairie
87.2 mi
01h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
2 to 6 mph N
Destination
76°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
12 to 18 mph E

Driving Route Map

The map below follows the saved road route between Seattle and Fern Prairie.

Turn-by-Turn Driving Directions

Step-by-step road directions between Seattle and Fern Prairie.

  1. 1

    Start on the route

    9 m · 8 sec

  2. 2

    Turn left onto Madison Street

    62 m · 11 sec · Madison Street

  3. 3

    Turn right onto 4th Avenue

    94 m · 15 sec · 4th Avenue

  4. 4

    Turn right onto Spring Street

    647 ft · 26 sec · Spring Street

  5. 5

    Take the ramp right toward I 5 South: Portland

    1151 ft · 28 sec

  6. 6

    Continue straight

    3180 ft · 1 min

  7. 7

    Keep slight left to continue on I 90 East, I 5 South: Bellevue, Portland

    45 m · 2 sec

  8. 8

    Keep slight right to continue on I 5 South: Tacoma, Portland

    589 ft · 8 sec

  9. 9

    Keep slight left to continue on Airport Way

    93 m · 4 sec

  10. 10

    Keep slight left to continue on I 5 South: Sea-Tac Airport

    30.4 mi · 38 min

  11. 11

    Keep slight right

    126.2 mi · 2 hr 23 min

  12. 12

    Keep slight right to continue on I 205 South: Salem

    4.2 mi · 6 min

  13. 13

    Take the exit slight right toward Padden Parkway, Northeast Andresen Road

    1573 ft · 42 sec

  14. 14

    Turn left onto Northeast Padden Parkway

    4 mi · 6 min · Northeast Padden Parkway

  15. 15

    Turn right onto Northeast 152nd Avenue

    1201 ft · 31 sec · Northeast 152nd Avenue

  16. 16

    Continue on Northeast 78th Street

    2568 ft · 1 min · Northeast 78th Street

  17. 17

    Turn right onto Northeast 162nd Avenue

    2606 ft · 1 min · Northeast 162nd Avenue

  18. 18

    Turn left onto Northeast Fourth Plain Boulevard

    1.4 km · 2 min · Northeast Fourth Plain Boulevard

  19. 19

    Enter the roundabout and take exit 1 toward Northeast Fourth Plain Boulevard

    12 m · 1 sec · Northeast Fourth Plain Boulevard

  20. 20

    Exit the roundabout onto Northeast Fourth Plain Boulevard

    1.2 km · 1 min · Northeast Fourth Plain Boulevard

  21. 21

    Continue on Northeast 58th Street

    1885 ft · 38 sec · Northeast 58th Street

  22. 22

    Turn right onto Northeast 199th Avenue

    3071 ft · 52 sec · Northeast 199th Avenue

  23. 23

    Continue on Northeast Ingle Road

    1.3 mi · 2 min · Northeast Ingle Road

  24. 24

    At the end of the road, turn left onto Northeast Goodwin Road

    1299 ft · 22 sec · Northeast Goodwin Road

  25. 25

    Continue on Northeast 28th Street

    1.3 mi · 2 min · Northeast 28th Street

  26. 26

    Continue on Northeast Dresser Road

    1942 ft · 37 sec · Northeast Dresser Road

  27. 27

    Continue on Northeast 25th Street

    926 ft · 18 sec · Northeast 25th Street

  28. 28

    Continue on Northeast Brunner Road

    1.2 km · 1 min · Northeast Brunner Road

  29. 29

    Continue on Northeast 267th Avenue

    687 ft · 16 sec · Northeast 267th Avenue

  30. 30

    Turn right

    3 m · 1 sec

  31. 31

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Seattle and Fern Prairie.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
31 steps
12 turns on the saved route
Ramps & Exits
4
0 merges, 4 ramps or exits
Navigation Density
17.8 / 100 mi
Decision points by distance
Main Roads
I 5 South
158 mi · 90%
I 205 South
4.24 mi · 2%
Northeast Padden Parkway
3.98 mi · 2%
Northeast Fourth Plain Boulevard
1.62 mi · 1%
Northeast Ingle Road
1.3 mi · 1%
Northeast 28th Street
1.26 mi · 1%
Longest Stretch

I 5 South

Keep slight right

126 mi · 02h 23m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 30m
Long day trip
Same-Day Return
07h 00m
Round-trip wheel time
Road vs Air
+38.3 mi
136.1 mi direct line
Halfway Stop
Chehalis
01h 45m from Seattle
Leave By
10:00 AM PDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Seattle and Sunny near Fern Prairie.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Seattle to Fern Prairie?

The road trip is about 174.4 miles (280.7 km) and usually takes 03h 30m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Chehalis is a useful midpoint, sitting about 87.1 miles from Seattle and 87.2 miles from Fern Prairie.

How much longer is the road route than the straight-line distance?

The direct path is about 136.1 miles (219.1 km), while the road route adds roughly 38.3 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:00 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.43 one way or $66.85 round trip. Estimated CO2 is about 54.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Seattle and Sunny near Fern Prairie.

Stop Ideas Near Chehalis

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Chehalis, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Chehalis.

RAIL

Centralia station

6 mi away
210 Railroad Avenue
RAIL

Centennial Station

39 mi away
6600 Yelm Highway S.E.
RAIL

Kelso Multimodal Transportation Center

58 mi away
501 South First Street
RAIL

Tacoma Dome Station

77 mi away
1001 Puyallup Avenue

Flight Path Map

This map shows the direct air route between Seattle and Fern Prairie. Straight-line distance: 136.13 mi (219.08 km).

Seattle

#1 Seattle

The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.

Population769,714
Coordinates47.6062100, -122.3320700
Altitude56
CountryUnited States
Photo coming soon

#2 Fern Prairie

Positioned on a plateau in Clark County at an elevation of 459 feet, this unincorporated community is located north of the Camas and Washougal urban areas.

Population0
Coordinates45.6365100, -122.3987000
Altitude140
CountryUnited States
Start: Seattle (-122.33207, 47.60621)
End: Fern Prairie (-122.3987, 45.63651)

Estimated Travel Time

Distance: 281 km by road

SpeedTime
30 mph (48.3 km/h)05h 48m
40 mph (64.37 km/h)04h 21m
50 mph (80.47 km/h)03h 29m
60 mph (96.56 km/h)02h 54m
70 mph (112.65 km/h)02h 29m
80 mph (129 km/h)02h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.15 gal
23.29 L · about $33.43
Round trip
$66.85
12.3 gal · 46.58 L
Estimated CO2
54.7 kg one way
Round trip: 109.3 kg / 241 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.44 $33.43 $66.85
Mid-grade $5.72 $35.17 $70.34
Premium $5.98 $36.76 $73.52
Diesel $7.29 $44.85 $89.69

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Washington · Oct 15, 2026

There is no time difference between Seattle and Fern Prairie. The current time is 11:27:29.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.